Hp Broadcom 4312 Wireless Mini Pci-e Card 459263-001 Bcm4312 Bcm94312mcg 458381-001 802.11b/g OEM HP Pavilion DV4 DV4-1000 EliteBook 2530p 2730p 6930p Presario CQ40-200 CQ40-400 CQ40-500 CQ50-100 TouchSmart tx2-1000 tx2-1200 Laptop Wireless Card WIFI Network BCM94312MCG 459263-001 Manufacturer: HP Part Number: 459263-001 Compatible Model: HP Business Notebook 2230s, 540, 541, 550, 6530b, 6535s, 6730b, 6730s, 6830s HP EliteBook 2530p, 2730p, 6930p